1, If I were you, I would study hard.

2, If you don’t keep silent, you will wake the baby up.

3, If I knew the answer, I could tell you.

4, If we had had a map, we would not have got lost.

5, If my friend hadn’t been late, he wouldn’t have missed the train.

6, If this car weren’t heavy, I could move it.

7, If I do morning exercises, I will feel healthy.

8, If it hadn’t been for the church bells, I would have been sleeping.

9, If there were no air, we would die.

10, If I were him, I would stop smoking.

11, If you aren’t calm, you will make a wrong decision.

12, If it hadn’t been for a visa, he couldn’t have come to that new country.

13, If today were Sunday, the students would go swimming.

14, If you don’t leave immediately, I will call the policeman.

15, If I knew her number, I would ring her up.

1. If i were you,i would study hard.

2. If you don't keep silent,you will wake the baby up.

3. If i knew the answer,i would tell.

4. If we had lost,we would have had the map.

5. If my friend was so late, he missed the train.

6. If I were you, I would not move this heavy car.

7. If you do morning exercise, you will feel healthy.

8. If the church didn't bell, I could sleep.

9. If we hadn't had air, we would have died.

10. If I were him, I would stop smoking.

11. If you aren't calm, you'll make a wrong decision.

12. If he had had a visa, he could have came to that new country.

13. If today were Sunday, the students would go swimming.

14. If you left immediately, I wouldn't call a policeman.

15. If l knew her number, I could ring her up.